27 lines
923 B
LLVM
27 lines
923 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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;; Testing that x18 is backed up and restored, and that x29 (if used) still
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;; points to the x29,x30 pair on the stack.
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; RUN: llc < %s -mtriple=aarch64-linux-gnu --frame-pointer=non-leaf | FileCheck %s
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; RUN: llc < %s -mtriple=aarch64-linux-gnu --frame-pointer=non-leaf -mattr=+reserve-x18 | FileCheck %s
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declare dso_local void @other()
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define dso_local win64cc void @func() #0 {
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; CHECK-LABEL: func:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: stp x29, x30, [sp, #-32]! // 16-byte Folded Spill
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; CHECK-NEXT: str x18, [sp, #16] // 8-byte Folded Spill
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; CHECK-NEXT: mov x29, sp
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; CHECK-NEXT: bl other
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; CHECK-NEXT: ldr x18, [sp, #16] // 8-byte Folded Reload
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; CHECK-NEXT: ldp x29, x30, [sp], #32 // 16-byte Folded Reload
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; CHECK-NEXT: ret
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entry:
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tail call void @other()
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ret void
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}
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attributes #0 = { nounwind }
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